12211122002 has 8 divisors (see below), whose sum is σ = 18522488700. Its totient is φ = 6036959104.

The previous prime is 12211121999. The next prime is 12211122013. The reversal of 12211122002 is 20022111221.

It can be written as a sum of positive squares in 2 ways, for example, as 9137639281 + 3073482721 = 95591^2 + 55439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12211122002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34300727 + ... + 34301082.

Almost surely, 2^12211122002 is an apocalyptic number.

12211122002 is a deficient number, since it is larger than the sum of its proper divisors (6311366698).

12211122002 is an equidigital number, since it uses as much as digits as its factorization.

12211122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68601900.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211122002 its reverse (20022111221), we get a palindrome (32233233223).

The spelling of 12211122002 in words is "twelve billion, two hundred eleven million, one hundred twenty-two thousand, two".